94 lines
27 KiB
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94 lines
27 KiB
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<document id="7C96EAB6BDC5A7EC8017E98C99D77B56" ID-DOI="10.5252/adansonia2023v45a12" ID-ISSN="1639-4798" ID-Zenodo-Dep="8006364" IM.bibliography_approvedBy="julia" IM.illustrations_approvedBy="julia" IM.materialsCitations_approvedBy="julia" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="julia" IM.taxonomicNames_approvedBy="julia" IM.treatments_approvedBy="julia" checkinTime="1685974026623" checkinUser="felipe" docAuthor="Pace, Marcelo R., Marcati, Carmen R., Lohmann, Lúcia G. & Angyalossy, Veronica" docDate="2023" docId="039687DCFFE5911F8E98C299FE33AA5E" docLanguage="en" docName="Adansonia.45.12.167-210.pdf" docOrigin="Adansonia (3) 45 (12)" docStyle="DocumentStyle:2FE19AC740987067EC2A6C89A85F9648.8:Adansonia.2018-.journal_article" docStyleId="2FE19AC740987067EC2A6C89A85F9648" docStyleName="Adansonia.2018-.journal_article" docStyleVersion="8" docTitle="Campsis radicans" docType="treatment" docVersion="1" lastPageNumber="199" masterDocId="FFAFFFA4FFC7913D8E1CC261FFBBA94E" masterDocTitle="Bark anatomy of lianescent Bignoniaceae: a generic synopsis" masterLastPageNumber="210" masterPageNumber="167" pageNumber="199" updateTime="1686164729893" updateUser="julia" zenodo-license-document="CC-BY-4.0">
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<mods:title id="CC121BF3601020BE5CBE4C2678D71B49">Bark anatomy of lianescent Bignoniaceae: a generic synopsis</mods:title>
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<mods:namePart id="7CB5E573216B41C9BADCA7CC4BE8C8B3">Pace, Marcelo R.</mods:namePart>
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<mods:namePart id="D57B95EED663487033444D99B1035780">Marcati, Carmen R.</mods:namePart>
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<mods:namePart id="8EB7CD273571D44F984767A485684E85">Lohmann, Lúcia G.</mods:namePart>
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<mods:namePart id="4EA9DA55336470E63FC417E5AF902E99">Angyalossy, Veronica</mods:namePart>
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<mods:title id="250E854A6649BBC965D96A028E2B826D">Adansonia</mods:title>
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<mods:date id="25147EA8B1B963DB95C02981FD3A4522">2023</mods:date>
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<mods:number id="A903DB784CF12060F1DBD9171B9219C9">2023-05-30</mods:number>
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<subSubSection id="C3256541FFE5911F8E98C299FE8DA85C" box="[132,310,248,274]" pageId="34" pageNumber="199" type="nomenclature">
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<paragraph id="8B8036CAFFE5911F8E98C299FE8DA85C" blockId="34.[130,777,216,784]" box="[132,310,248,274]" pageId="34" pageNumber="199">
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<taxonomicName id="4C3F4D49FFE5911F8E98C299FE8DA85C" ID-CoL="99GYJ" box="[132,310,248,274]" class="Magnoliopsida" family="Bignoniaceae" genus="Campsis" kingdom="Plantae" order="Lamiales" pageId="34" pageNumber="199" phylum="Tracheophyta" rank="species" species="radicans">
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<emphasis id="B94BEAD8FFE5911F8E98C299FE8DA85C" box="[132,310,248,274]" italics="true" pageId="34" pageNumber="199">Campsis radicans</emphasis>
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<paragraph id="8B8036CAFFE5911F8E98C376FE33AA5E" blockId="34.[130,777,216,784]" pageId="34" pageNumber="199">
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Non-stratified phloem (
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<figureCitation id="13042A4FFFE5911F8F9EC376FE59A87C" box="[386,482,279,306]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig. 19A</figureCitation>
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), marked by scattered fibers (
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<figureCitation id="13042A4FFFE5911F8E91C356FF6CA81C" box="[141,215,311,338]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig. 19</figureCitation>
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A-C). The conducting phloem has sieve tubes solitary or in multiples of 2-4 (
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<figureCitation id="13042A4FFFE5911F8F66C336FE60A83F" box="[378,475,343,369]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig. 19C</figureCitation>
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). One companion cell lying on the corner of the sieve tube (
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<figureCitation id="13042A4FFFE5911F8FF9C316FDF3A8DF" box="[485,584,375,401]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig. 19C</figureCitation>
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). The sieve plates are simple in transverse walls, or with 2-4 sieve areas per sieve plate in a slightly inclined wall. The axial parenchyma constitutes the background tissue (
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<figureCitation id="13042A4FFFE5911F8FA5C3B6FD8CA8BF" box="[441,567,471,497]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig. 19B, C</figureCitation>
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), with parenchyma strands with 3-4 cells. Rays straight (
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<figureCitation id="13042A4FFFE5911F8C04C396FDC1AB5F" box="[536,634,503,529]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig. 19A</figureCitation>
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), 2-3-seriate, heterocellular, with body of procumbent cells and two square to upright marginal cells, lacking dilatation (
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<figureCitation id="13042A4FFFE5911F8C5BC057FD18AB1F" box="[583,675,566,593]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig.19A</figureCitation>
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). Sclerenchyma composed of scattered fibers (
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<figureCitation id="13042A4FFFE5911F8C1BC037FDDEAB3F" box="[519,613,598,625]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig. 19A</figureCitation>
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), either solitary (
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<figureCitation id="13042A4FFFE5911F8E91C017FEB1ABDE" box="[141,266,630,657]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig. 19B, C</figureCitation>
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) or in multiples of two, with an angular outline (
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<figureCitation id="13042A4FFFE5911F8E91C0F7FF50ABFE" box="[141,235,662,688]" captionStart="FIG" captionStartId="33.[132,143,1804,1821]" captionTargetBox="[258,1329,215,1764]" captionTargetId="figure-327@33.[258,1329,214,1764]" captionTargetPageId="33" captionText="FIG. 19. — Secondary phloem of lianas of Tecomeae s.s: A-I, transverse sections:A-C, Campsis radicans; A, Overall view of the secondary phloem.Non-stratified, with scattered individual fibers; B, Detail of the secondary phloem showing individual fibers (arrows); C, detail of the secondary phloem showing the sieve tubes (arrowhead) solitary or in radial multiples of two,with one companion cell.Note the individual fiber (yellow arrow); D-F, Pandorea jasminoides; D, stratified phloem, with fibers bands alternating with sieve tubes and axial parenchyma,interrupted by the rays that do not lignify, not even when crossing the fiber bands; E, detail of the secondary phloem,with sive tubes in radial multiples (arrows), with one companion cell on their corner;F, detail of the single periderm, showing an evenly thinwalled phellem, thick phelloderm. Note the pericyclic fiber strand (arrow); G-I, Podranea ricasoliana; G, overall view of the bark. Rhytidome present, with sequent periderms (arrows) reticulate.Secondary phloem non-fibrous,devoid of fibers,with fibersclereids present in clusters (arrowheads). Course of rays straight;H, detail of the secondary phloem showing the axial parenchyma as the matrix where other cell types are found.Detail of the fibersclereid cluster (arrowhead); I, detail showing the sieve tubes in short radial multiples,with one companion cell lying on their corner (arrows). Abbreviations:cz, cambial zone;pd, phelloderm;pf, pericyclic fibers; ph, phloem; pl, phellem; x, secondary xylem. Scale bars: A, 1 mm; B, E, I, 50 μm; C, 25 μm; D, F-H, 200 μm. Fig. 19B and C by courtesy of Kishore Rajput." figureDoi="http://doi.org/10.5281/zenodo.8006418" httpUri="https://zenodo.org/record/8006418/files/figure.png" pageId="34" pageNumber="199">Fig. 19B</figureCitation>
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). Non-storied. Nonconducting phloem marked by empty sieve elements and companion cells, collapsed. Cell expansion is the main dilatation phenomenon recorded, with no further sclerification.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |